The reason for his success is ______ he worked very hard.
A. why B. that C. whether D. how
He couldn’t ______ the fact that the money was found in his house.
A. answer forB. leave for
C. account for D. care for
I know he _________ here ten years ago .
A. is living B. lives C. lived D. has lived
Someone is ringing the doorbell . Go and see ____________.
A.who he is B. who is he C. who is it D. who it is
In order to finish the project , we need ___________ money .
A . the large number of B. a large sum of
C.a great many D. a number of
She ______have stopped her work halfway.
A. ought to not B. ought not to
C. not ought to D. does not ought to
